MSDN Online - SQL Server Developer Center  
   The one-stop for developer information from the source about Microsoft SQL Server.
   http://msdn.microsoft.com/sqlserver/

Narayana Vyas Kondreddi's SQL Server Website  
   This site features SQL Server administration, programming and security best practices.
   http://vyaskn.tripod.com

sqlServer.co.nz  
   SQL Server resource site that includes articles, book reviews, product reviews, news and links. By Tony Bain.
   http://www.sqlserver.co.nz

Microsoft Data Warehousing Alliance Members  
   List of DWA members and related information that is maintained by Microsoft.
   http://www.microsoft.com/sql/partners/DWA/default.asp

SQL Server Superexpert  
   Comprehensive SQL Server resource that contains SQL Server FAQs, software, jobs database, and links to articles, books, and software.
   http://sqlserver.superexpert.com/

Tek-Tips Forums - Microsoft SQL Server  
   Support forums and mutual help system for computer professionals. Selling and recruiting forbidden.
   http://www.tek-tips.com/gthreadminder.cfm/lev2/4/lev3/27/pid/183

SQL-Server-Performance.Com  
   Performance tuning and optimization articles and tips on Microsoft SQL Server, including versions 6.5, 7.0, and 2000.
   http://www.sql-server-performance.com

SQL Team  
   News, technical articles, and your SQL Server questions answered free by experts.
   http://www.sqlteam.com

SQL Security  
   News, FAQs, and scripts focusing on Microsoft SQL Server security.
   http://www.sqlsecurity.com/

Devdex.com  
   An index site of SQL Server-related resources. By Developersdex.
   http://www.developersdex.com/sql/

About.com on Microsoft SQL Server  
   Provides articles, links, forum discussions and a chat room.
   http://databases.about.com/compute/databases/cs/sqlserver/index.htm

T-SQL solutions  
   News, forums, tips and articles focused on Tansact SQL language.
   http://www.tsqlsolutions.com/

MSSQLCity.Com  
   SQL Server articles, FAQ, scripts, tips and free test exams.
   http://www.mssqlcity.com

eEye Digital Security: SQL Worm Analysis  
   Technical description of the SQL worm (AKA: Spida, Digispid.B.Worm) and a free scanner.
   http://www.eEye.com/html/Research/Advisories/AL20020522.html

DevASP.Net Directory of SQL Resources  
   A directory of SQL resources, articles, training material, samples, tutorials, scripts, applications, books, software and sample chapters arranged by category.
   http://www.devasp.net/net/search/displayc.asp?c_id=147

Novick Software  
   Well written articles, code samples, tips and tricks, book reviews; consultancy.
   http://www.novicksoftware.com/

SVEK Computing SQL Server Site  
   Tip library offering suggestions on a variety of data operations and administrative topics.
   http://sql.svek.co.uk/

XPrime Database Performance Cluster  
   Hardware/Software package that uses clustering technology and main memory database to increase performance.
   http://www.xprime.com

SqlJunkies.com  
   Developers community site with blogs, forums, news, and events.
   http://www.sqljunkies.com

SQL Server Comparison Tool  
   Analyze, compare and document structure of tables, procedures, functions, views, triggers and relationships, compare data stored in tables, generate detailed reports.
   http://www.sql-server-tool.com/

DBAzine  
   Provides tips and articles helpful in everyday SQL server usage.
   http://www.dbazine.com/sqlserver.shtml